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Old 11-17-2006 | 05:01 AM
  #11  
Spartan Missile
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From: Coventry, UNITED KINGDOM
Default RE: Turbine noise testing

Due to the high frequency content, only children, dogs & bats can hear our turbines ! They don't pay taxes so can be ignored.
The apparent noise soon falls off with 1/distance or is it 1/(distance squared)